631585452960001 has 2 divisors, whose sum is σ = 631585452960002. Its totient is φ = 631585452960000.

The previous prime is 631585452959977. The next prime is 631585452960041. The reversal of 631585452960001 is 100069254585136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 466205827240000 + 165379625720001 = 21591800^2 + 12860001^2 .

It is a cyclic number.

It is not a de Polignac number, because 631585452960001 - 2²⁹ = 631584916089089 is a prime.

It is not a weakly prime, because it can be changed into another prime (631585452960041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315792726480000 + 315792726480001.

It is an arithmetic number, because the mean of its divisors is an integer number (315792726480001).

Almost surely, 2^{631585452960001} is an apocalyptic number.

It is an amenable number.

631585452960001 is a deficient number, since it is larger than the sum of its proper divisors (1).

631585452960001 is an equidigital number, since it uses as much as digits as its factorization.

631585452960001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776000, while the sum is 55.

The spelling of 631585452960001 in words is "six hundred thirty-one trillion, five hundred eighty-five billion, four hundred fifty-two million, nine hundred sixty thousand, one".